来自德国梅树和葡萄园的新型胶孢菌属和种。

IF 9.5 1区 生物学 Q1 MYCOLOGY Persoonia Pub Date : 2020-12-01 Epub Date: 2019-09-10 DOI:10.3767/persoonia.2020.45.02
S Bien, C Kraus, U Damm
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引用次数: 0

摘要

在德国进行的两次真菌生物多样性调查中,经常收集到外观类似酵母菌的菌株,这些菌株要么与萨克森州、下萨克森州和巴登-符腾堡州果园中梅树木质部的坏死有关,要么是在莱茵兰-法尔茨州葡萄园中安装在葡萄树嫩枝上的孢子捕获器中捕获的。这些菌株的形态与柯洛佛尔菌属(Collophorina)相似:所有菌株的无菌分生孢子都直接长在菌丝上的整合分生孢子器细胞上、离散的分生孢子器细胞上、腺分生孢子器细胞上以及微环状分生孢子器上,在一些菌株中还能观察到内生分生孢子器或分生孢子器中的分生孢子。基于形态学和多焦点序列数据(LSU、ITS、EF-1α、GAPDH)的分析表明,从李属植物木材中分离的 152 个菌株属于 5 个物种,包括 C. paarla、C. africana 和 3 个新物种。从孢子捕获器中分离出的另外 10 个分离物属于 7 个新种,其中 1 个也是从梅树木材中分离出来的。然而,将这些胶孢菌属同类物种的 LSU 和 ITS 序列数据与来自其他乐彩网菌属的参考序列进行比较后发现,胶孢菌属具有多型性,这些菌株属于 Phacidiales 中的多个属。Collophorina paarla 和 C. euphorbiae 分别归入新建立的 Pallidophorina 属和 Ramoconidiophora 属。新建立的 Capturomyces 属、Variabilispora 属和 Vexillomyces 属容纳了从孢子捕获器中分离出的 5 个新种。总共有 9 个物种被认为是科学界的新物种,并被描述为 Collophorina badensis、C. germanica、C. neorubra、Capturomyces funiculosus、Ca. luteus、Tympanis inflata、Variabilispora flava、Vexillomyces palatinus 和 V. verruculosus。
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Novel collophorina-like genera and species from Prunus trees and vineyards in Germany.

Strains with a yeast-like appearance were frequently collected in two surveys on the biodiversity of fungi in Germany, either associated with necroses in wood of Prunus trees in orchards in Saxony, Lower Saxony and Baden-Württemberg or captured in spore traps mounted on grapevine shoots in a vineyard in Rhineland-Palatinate. The morphology of the strains was reminiscent of the genus Collophorina: all strains produced aseptate conidia on integrated conidiogenous cells directly on hyphae, on discrete phialides, adelophialides and by microcyclic conidiation, while in some strains additionally endoconidia or conidia in conidiomata were observed. Blastn searches with the ITS region placed the strains in the Leotiomycetes close to Collophorina spp. Analyses based on morphological and multi-locus sequence data (LSU, ITS, EF-1α, GAPDH) revealed that the 152 isolates from wood of Prunus spp. belong to five species including C. paarla, C. africana and three new species. A further ten isolates from spore traps belonged to seven new species, of which one was isolated from Prunus wood as well. However, a comparison with both LSU and ITS sequence data of these collophorina-like species with reference sequences from further Leotiomycetes revealed the genus Collophorina to be polyphyletic and the strains to pertain to several genera within the Phacidiales. Collophorina paarla and C. euphorbiae are transferred to the newly erected genera Pallidophorina and Ramoconidiophora, respectively. The new genera Capturomyces, Variabilispora and Vexillomyces are erected to accommodate five new species isolated from spore traps. In total nine species were recognised as new to science and described as Collophorina badensis, C. germanica, C. neorubra, Capturomyces funiculosus, Ca. luteus, Tympanis inflata, Variabilispora flava, Vexillomyces palatinus and V. verruculosus.

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来源期刊
Persoonia
Persoonia MYCOLOGY-
CiteScore
17.70
自引率
5.50%
发文量
10
审稿时长
3 months
期刊介绍: Persoonia aspires to publish papers focusing on the molecular systematics and evolution of fungi. Additionally, it seeks to advance fungal taxonomy by employing a polythetic approach to elucidate the genuine phylogeny and relationships within the kingdom Fungi. The journal is dedicated to disseminating high-quality papers that unravel both known and novel fungal taxa at the DNA level. Moreover, it endeavors to provide fresh insights into evolutionary processes and relationships. The scope of papers considered encompasses research articles, along with topical and book reviews.
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